Silver solder



Patented Mar. 5, 1946 UNITED STATES PATENT OFFICE v masons smvnasomnn, I

nun e. Hensel, Indianapolis; Ind, assignor to P. B. Mallory & (20.,Inc., Indianapolis, Ind., a

corporation oi Delaware ppiicatlon August 20, 1942, 7 Serial No. 455,505

comma. 101315- 173) No Drawing.

This invention relates to silver solders. An object of the invention isto improve silver solders and to produce a silver solder having a lowmelting point.

Other objects of the invention will be apparent from the description andclaims.

The present'invention contemplates a silver solder having a meltingpoint lower than that ordinarily. obtained with silver solder of theprior art, and preferablihavinz a melting point around 1000" r. Buchasolder is particularly useful for the brazing or heat treated steelswhere the temsteel. I

The silver solder o! the present invention contains silver, antimony andcopper. The ingredlents may preferably be present in the toilowinsProportions: v

' perature must be kept low. in'orderto avoid adverse eiiects u n thedesirable properties or the- .Whil specific embodiments of the inventionhave been described, it is intended to cover theinvention broadly withinthe spirit and scope of the appended claims. v

Whatis claimed is: I 1. A silver solder composed of -to 60% silver, 10to copper and 20 to 50% antimony.

2.. A silver solder composed 01 about 40% silver, about 24% copper andabout 36% antimony.

FRANZ R. HENSEL.

Certificate of Correction Petent No. 2,396,009. March 5, 19461 FRANZ R.HENSEL I It is hereby certified that error appears in the printedspecification of the a'hove nuniberedpatent requiring correction asfollows: Second column, line 7, in the table, for Copper read Silver;and that the said Letters Patent should be read with this correctiontherein that the same may conform to the record of the case in thePatent Oflice. V Signed and sealed this 30th day of April, A. D. 1946.

